src/map.cpp

   1 /*
   2 Copyright (C) 2004 Parallel Realities
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "map.h"
  22
  23 void drawMap()
  24 {
  25         SDL_Rect r;
  26
  27         int offsetX = (int)(engine.playerPosX);
  28         int offsetY = (int)(engine.playerPosY);
  29
  30         map.offsetX = offsetX;
  31         map.offsetY = offsetY;
  32
  33         Math::limitInt(&offsetX, 0, ((MAPWIDTH - 40) * BRICKSIZE));
  34         Math::limitInt(&offsetY, 0, ((MAPHEIGHT - 30) * BRICKSIZE));
  35
  36         int mapx = offsetX >> BRICKSHIFT;
  37         int mapy = offsetY >> BRICKSHIFT;
  38         int brick = 0;
  39
  40         for (int x = 0 ; x < 21 ; x++)
  41         {
  42                 for (int y = 0 ; y < 16 ; y++)
  43                 {
  44                         brick = map.data[mapx + x][mapy + y];
  45
  46                         r.x = ((x * BRICKSIZE) - (offsetX & (BRICKSIZE - 1)));
  47                         r.y = ((y * BRICKSIZE) - (offsetY & (BRICKSIZE - 1)));
  48                         r.w = r.h = BRICKSIZE;
  49
  50                         if ((brick >= MAP_BREAKABLE) && (brick < MAP_WATERANIM))
  51                         {
  52                                 graphics.blit(graphics.tile[brick], r.x, r.y, graphics.screen, false);
  53
  54                                 #if !USEPAK
  55                                 if ((brick >= MAP_NORESET) && (brick < MAP_DECORATION))
  56                                 {
  57                                         graphics.drawRect(r.x, r.y, 32, 4, graphics.yellow, graphics.screen);
  58                                 }
  59                                 #endif
  60                         }
  61                 }
  62         }
  63 }
  64
  65 void drawMapTopLayer()
  66 {
  67         SDL_Rect r;
  68
  69         int offsetX = map.offsetX;
  70         int offsetY = map.offsetY;
  71
  72         Math::limitInt(&offsetX, 0, ((MAPWIDTH - 40) * BRICKSIZE));
  73         Math::limitInt(&offsetY, 0, ((MAPHEIGHT - 30) * BRICKSIZE));
  74
  75         int mapx = offsetX >> BRICKSHIFT;
  76         int mapy = offsetY >> BRICKSHIFT;
  77
  78         int brick;
  79
  80         for (int x = 0 ; x < 21 ; x++)
  81         {
  82                 for (int y = 0 ; y < 16 ; y++)
  83                 {
  84                         r.x = ((x * BRICKSIZE) - (offsetX & (BRICKSIZE - 1)));
  85                         r.y = ((y * BRICKSIZE) - (offsetY & (BRICKSIZE - 1)));
  86                         r.w = r.h = BRICKSIZE;
  87
  88                         brick = map.data[mapx + x][mapy + y];
  89
  90                         if (brick == 0)
  91                         {
  92                                 continue;
  93                         }
  94
  95                         if ((brick < MAP_BREAKABLE) || (brick >= MAP_WATERANIM))
  96                         {
  97                                 if (brick == MAP_WATER)
  98                                 {
  99                                         if (map.data[mapx + x][mapy + y + 1] >= MAP_BREAKABLE)
 100                                         {
 101                                                 addBubble((mapx + x) * BRICKSIZE, (mapy + y) * BRICKSIZE);
 102                                         }
 103                                 }
 104
 105                                 if (brick == MAP_WATERANIM)
 106                                 {
 107                                         brick = graphics.getWaterAnim();
 108                                 }
 109                                 else if (brick == MAP_SLIME)
 110                                 {
 111                                         brick = graphics.getSlimeAnim();
 112                                 }
 113                                 else if ((brick >= MAP_LAVAANIM) && (brick < MAP_TOPLAYER))
 114                                 {
 115                                         map.data[mapx + x][mapy + y] = graphics.getLavaAnim(brick);
 116                                         brick = map.data[mapx + x][mapy + y];
 117                                 }
 118
 119                                 graphics.blit(graphics.tile[brick], r.x, r.y, graphics.screen, false);
 120                         }
 121                 }
 122         }
 123 }
 124
 125 void addBlips(List *blipList, int mapX, int mapY, int type)
 126 {
 127         Sprite *blipType;
 128         Entity *ent;
 129
 130         switch (type)
 131         {
 132                 case 1:
 133                         blipType = graphics.getSprite("MIAArrow", true);
 134                         ent = (Entity*)map.miaList.getHead();
 135                         break;
 136                 case 2:
 137                         blipType = graphics.getSprite("ItemArrow", true);
 138                         ent = (Entity*)map.itemList.getHead();
 139                         break;
 140                 case 3:
 141                         blipType = graphics.getSprite("EnemyArrow", true);
 142                         ent = (Entity*)map.enemyList.getHead();
 143                         break;
 144                 default:
 145                         return;
 146         }
 147
 148         RadarBlip *blip;
 149         int x, y;
 150
 151         while (ent->next != NULL)
 152         {
 153                 ent = (Entity*)ent->next;
 154
 155                 if (ent->health <= 0)
 156                         continue;
 157
 158                 if (type == 3)
 159                 {
 160                         if (!requiredEnemy(ent->name))
 161                         {
 162                                 continue;
 163                         }
 164                 }
 165
 166                 // Items
 167                 if (type == 2)
 168                 {
 169                         if ((ent->id < ITEM_MISC) || (ent->id == ITEM_MISC_INVISIBLE))
 170                         {
 171                                 continue;
 172                         }
 173                 }
 174
 175                 x = (int)(ent->x + ent->width) >> BRICKSHIFT;
 176                 y = (int)(ent->y + ent->height) >> BRICKSHIFT;
 177
 178                 x -= mapX;
 179                 y -= mapY;
 180
 181                 x = (160) + (x * 5);
 182                 y = (120) + (y * 5);
 183
 184                 if ((x >= 165) && (y >= 125) && (x <= 475) && (y <= 355))
 185                 {
 186                         blip = new RadarBlip();
 187                         blip->set(x, y, type);
 188                         blipList->add (blip);
 189                 }
 190                 else
 191                 {
 192                         if (y < 125)
 193                                 graphics.blit(blipType->image[0], 220 + (type * 50), 100, graphics.screen, true);
 194                         if (x > 475)
 195                                 graphics.blit(blipType->image[1], 510, 140 + (type * 50), graphics.screen, true);
 196                         if (y > 355)
 197                                 graphics.blit(blipType->image[2], 220 + (type * 50), 380, graphics.screen, true);
 198                         if (x < 165)
 199                                 graphics.blit(blipType->image[3], 125, 140 + (type * 50), graphics.screen, true);
 200                 }
 201         }
 202 }
 203
 204 void addMiniMapDoors(SDL_Surface *panel, int mapX, int mapY)
 205 {
 206         Train *train = (Train*)map.trainList.getHead();
 207
 208         int x, y;
 209         int width, height, color;
 210
 211         while (train->next != NULL)
 212         {
 213                 train = (Train*)train->next;
 214
 215                 width = 5;
 216                 height = 5;
 217                 color = graphics.white;
 218
 219                 x = (int)train->x >> BRICKSHIFT;
 220
 221                 y = (int)train->y >> BRICKSHIFT;
 222
 223                 if ((x >= mapX) && (x <= mapX + 64) && (y >= mapY) && (y <= mapY + 48))
 224                 {
 225                         x -= mapX;
 226                         y -= mapY;
 227
 228                         if (train->type == TR_TRAIN)
 229                         {
 230                                 width = 10;
 231                         }
 232                         else if ((train->type >= TR_SLIDEDOOR) && (train->type <= TR_BRONZE_SLIDEDOOR))
 233                         {
 234                                 width = 10;
 235                         }
 236                         else
 237                         {
 238                                 height = 10;
 239                         }
 240
 241                         switch (train->type)
 242                         {
 243                                 case TR_GOLD_DOOR:
 244                                 case TR_GOLD_SLIDEDOOR:
 245                                         color = graphics.yellow;
 246                                         break;
 247
 248                                 case TR_SILVER_DOOR:
 249                                 case TR_SILVER_SLIDEDOOR:
 250                                         color = graphics.grey;
 251                                         break;
 252
 253                                 case TR_BRONZE_DOOR:
 254                                 case TR_BRONZE_SLIDEDOOR:
 255                                         color = SDL_MapRGB(graphics.screen->format, 0xff, 0x99, 0x00);
 256                                         break;
 257
 258                                 case TR_DOOR:
 259                                 case TR_LOCKED_DOOR:
 260                                 case TR_LOCKED_SLIDEDOOR:
 261                                         color = SDL_MapRGB(graphics.screen->format, 0xff, 0x00, 0xff);
 262                                         break;
 263                         }
 264
 265                         graphics.drawRect(x * 5, y * 5, width, height, color, panel);
 266                 }
 267         }
 268 }
 269
 270 void showMap(int centerX, int centerY)
 271 {
 272         char string[100];
 273         int x1, y1, x2, y2;
 274
 275         x1 = centerX - 32;
 276         x2 = centerX + 32;
 277         y1 = centerY - 24;
 278         y2 = centerY + 24;
 279
 280         int minX = (map.limitLeft >> BRICKSHIFT);
 281         int maxX = (map.limitRight >> BRICKSHIFT) - 44;
 282         int minY = (map.limitUp >> BRICKSHIFT);
 283         int maxY = (map.limitDown >> BRICKSHIFT) - 33;
 284
 285         Math::limitInt(&x1, minX, maxX);
 286         Math::limitInt(&x2, minX, maxX);
 287         Math::limitInt(&y1, minY, maxY);
 288         Math::limitInt(&y2, minY, maxY);
 289
 290         SDL_FillRect(graphics.screen, NULL, graphics.black);
 291         graphics.updateScreen();
 292         SDL_Delay(500);
 293
 294         SDL_Surface *panel = graphics.createSurface(320, 240);
 295         SDL_Surface *background = graphics.loadImage("gfx/main/mapBackground.png");
 296         SDL_SetAlpha(background, SDL_SRCALPHA|SDL_RLEACCEL, 130);
 297
 298         graphics.blit(background, 0, 0, panel, false);
 299
 300         int color = graphics.black;
 301
 302         for (int y = 0 ; y < 48 ; y++)
 303         {
 304                 for (int x = 0 ; x < 64 ; x++)
 305                 {
 306                         if (map.data[x1 + x][y1 + y] == MAP_WATER)
 307                         {
 308                                 graphics.drawRect(x * 5, y * 5, 5, 5, graphics.blue, panel);
 309                         }
 310                 }
 311         }
 312
 313         addMiniMapDoors(panel, x1, y1);
 314
 315         for (int y = 0 ; y < 48 ; y++)
 316         {
 317                 for (int x = 0 ; x < 64 ; x++)
 318                 {
 319                         color = -1;
 320
 321                         if (map.data[x1 + x][y1 + y] == MAP_AIR)
 322                         {
 323                                 color = -1;
 324                         }
 325                         else if (map.data[x1 + x][y1 + y] == MAP_WATER)
 326                         {
 327                                 color = -1;
 328                         }
 329                         else if (map.data[x1 + x][y1 + y] == MAP_SLIME)
 330                         {
 331                                 color = graphics.green;
 332                         }
 333                         else if (map.data[x1 + x][y1 + y] == MAP_LAVA)
 334                         {
 335                                 color = graphics.red;
 336                         }
 337                         else if (map.data[x1 + x][y1 + y] >= MAP_DECORATION)
 338                         {
 339                                 color = -1;
 340
 341                                 if (map.data[x1 + x][y1 + y - 1] == MAP_WATER)
 342                                 {
 343                                         color = graphics.blue;
 344                                 }
 345                                 else if (map.data[x1 + x][y1 + y + 1] == MAP_WATER)
 346                                 {
 347                                         color = graphics.blue;
 348                                 }
 349                         }
 350                         else if (map.data[x1 + x][y1 + y] < MAP_WATERANIM)
 351                         {
 352                                 color = graphics.darkGreen;
 353                         }
 354
 355                         if (color > -1)
 356                         {
 357                                 graphics.drawRect(x * 5, y * 5, 5, 5, color, panel);
 358                         }
 359                 }
 360         }
 361
 362         graphics.blit(background, 0, 0, graphics.screen, false);
 363         SDL_FreeSurface(background);
 364
 365         List blipList;
 366
 367         RadarBlip *blip = new RadarBlip();
 368         blip->set(160 + ((centerX - x1) * 5), 120 + ((centerY - y1) * 5), 0);
 369         blipList.add(blip);
 370
 371         addBlips(&blipList, x1, y1, 1);
 372         addBlips(&blipList, x1, y1, 2);
 373         addBlips(&blipList, x1, y1, 3);
 374
 375         Sprite *enemySignal = graphics.getSprite("EnemySignal", true);
 376         Sprite *miaSignal = graphics.getSprite("MIASignal", true);
 377         Sprite *bobSignal = graphics.getSprite("BobSignal", true);
 378         Sprite *itemSignal = graphics.getSprite("ItemSignal", true);
 379
 380         graphics.setFontColor(0xff, 0xff, 0xff, 0x00, 0x00, 0x00);
 381         graphics.setFontSize(3);
 382         graphics.drawString(_(game.stageName), 320, 30, TXT_CENTERED, graphics.screen);
 383
 384         graphics.setFontSize(0);
 385
 386         graphics.drawRect(160, 414, 7, 7, graphics.yellow, graphics.white, graphics.screen);
 387         graphics.drawString(_("MIAs"), 175, 410, TXT_LEFT, graphics.screen);
 388
 389         graphics.drawRect(290, 414, 7, 7, graphics.blue, graphics.white, graphics.screen);
 390         graphics.drawString(_("Items"), 305, 410, TXT_LEFT, graphics.screen);
 391
 392         graphics.drawRect(415, 414, 7, 7, graphics.red, graphics.white, graphics.screen);
 393         graphics.drawString(_("Enemies"), 430, 410, TXT_LEFT, graphics.screen);
 394
 395         graphics.setFontSize(1);
 396         sprintf(string, "%s - %.2d:%.2d:%.2d", _("Mission Time"), game.currentMissionHours, game.currentMissionMinutes, game.currentMissionSeconds);
 397         graphics.drawString(string, 320, 60, TXT_CENTERED, graphics.screen);
 398         graphics.drawString(_("Press Button to Continue..."), 320, 450, TXT_CENTERED, graphics.screen);
 399
 400         engine.flushInput();
 401         engine.clearInput();
 402
 403         while (true)
 404         {
 405                 engine.getInput();
 406                 config.populate();
 407                 graphics.updateScreen();
 408                 graphics.animateSprites();
 409
 410                 graphics.drawRect(160, 120, 320, 240, graphics.black, graphics.white, graphics.screen);
 411                 graphics.blit(panel, 160, 120, graphics.screen, false);
 412
 413                 if ((config.isControl(CONTROL::MAP)) || (config.isControl(CONTROL::PAUSE)) || (engine.keyState[SDLK_ESCAPE]))
 414                 {
 415                         break;
 416                 }
 417
 418                 blip = (RadarBlip*)blipList.getHead();
 419
 420                 while (blip->next != NULL)
 421                 {
 422                         blip = (RadarBlip*)blip->next;
 423
 424                         switch (blip->type)
 425                         {
 426                                 case 0:
 427                                         graphics.blit(bobSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 428                                         break;
 429                                 case 1:
 430                                         graphics.blit(miaSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 431                                         break;
 432                                 case 2:
 433                                         graphics.blit(itemSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 434                                         break;
 435                                 case 3:
 436                                         graphics.blit(enemySignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 437                                         break;
 438                         }
 439                 }
 440
 441                 SDL_Delay(16);
 442         }
 443
 444         blipList.clear();
 445
 446         SDL_FillRect(graphics.screen, NULL, graphics.black);
 447         graphics.updateScreen();
 448         SDL_Delay(500);
 449
 450         engine.flushInput();
 451         engine.clearInput();
 452 }
 453
 454 void evaluateMapAttribute(Entity *ent, int mapAttribute)
 455 {
 456         switch (mapAttribute)
 457         {
 458                 case MAP_AIR_WALL_1:
 459                 case MAP_AIR_WALL_2:
 460                 case MAP_AIR_WALL_3:
 461                 case MAP_AIR_CEILING_1:
 462                         mapAttribute = MAP_AIR;
 463                         break;
 464                 case MAP_AIR_WALL_4:
 465                         if (map.isCavesTileset)
 466                         {
 467                                 mapAttribute = MAP_AIR;
 468                         }
 469                         break;
 470                 case MAP_AIR_CEILING_2:
 471                         if (map.isGrasslandsTileset)
 472                         {
 473                                 mapAttribute = MAP_AIR;
 474                         }
 475                         else if (map.isCavesTileset)
 476                         {
 477                                 mapAttribute = MAP_WATER;
 478                         }
 479                         break;
 480                 case MAP_WATER_WALL:
 481                         if (map.isCavesTileset)
 482                         {
 483                                 mapAttribute = MAP_WATER;
 484                         }
 485                         break;
 486         }
 487
 488         switch (mapAttribute)
 489         {
 490                 case MAP_AIR:
 491                         if ((ent->environment != ENV_AIR) && (!(ent->flags & ENT_INANIMATE)))
 492                         {
 493                                 if (!(ent->flags & ENT_SWIMS))
 494                                 {
 495                                         if (ent->dy < 0)
 496                                         {
 497                                                 ent->dy = PLAYER_JUMP_SPEED;
 498                                         }
 499
 500                                         if (ent == &player)
 501                                         {
 502                                                 if ((ent == &player) && ((game.hasAquaLung) || (engine.cheatExtras)))
 503                                                 {
 504                                                         player.setSprites(graphics.getSprite("BobRight", true), graphics.getSprite("BobLeft", true), graphics.getSprite("BobSpin", true));
 505                                                 }
 506                                         }
 507
 508                                         ent->environment = ENV_AIR;
 509
 510                                         if (ent->dy < 0)
 511                                         {
 512                                                 audio.playSound(SND_WATEROUT, CH_TOUCH);
 513                                         }
 514
 515                                         ent->checkEnvironment();
 516                                 }
 517                         }
 518                         ent->falling = true;
 519                 case MAP_SOLID:
 520                         break;
 521                 case MAP_WATER:
 522                 case MAP_SLIME:
 523                 case MAP_LAVA:
 524
 525                         ent->falling = false;
 526
 527                         if (ent->environment == ENV_AIR)
 528                         {
 529                                 audio.playSound(SND_WATERIN, CH_TOUCH);
 530                                 if ((mapAttribute == MAP_SLIME) || (mapAttribute == MAP_LAVA))
 531                                         ent->thinktime = 1;
 532                         }
 533
 534                         // On ice levels water is harmful (because it's very very cold!)
 535                         if ((map.isIceLevel) && (mapAttribute == MAP_WATER))
 536                         {
 537                                 mapAttribute = MAP_LAVA;
 538                                 ent->thinktime = 1;
 539                         }
 540
 541                         if (mapAttribute == MAP_WATER)
 542                         {
 543                                 ent->environment = ENV_WATER;
 544                                 if ((ent == &player) && ((game.hasAquaLung) || (engine.cheatExtras)))
 545                                 {
 546                                         player.setSprites(graphics.getSprite("AquaBobRight", true), graphics.getSprite("AquaBobLeft", true), graphics.getSprite("AquaBobSpin", true));
 547                                 }
 548                         }
 549                         else if (mapAttribute == MAP_SLIME)
 550                         {
 551                                 ent->environment = ENV_SLIME;
 552                         }
 553                         else if (mapAttribute == MAP_LAVA)
 554                         {
 555                                 ent->environment = ENV_LAVA;
 556                         }
 557                         break;
 558         }
 559 }
 560
 561 void raiseWaterLevel()
 562 {
 563         if (map.waterLevel == map.requiredWaterLevel)
 564         {
 565                 return;
 566         }
 567
 568         int y = (int)map.waterLevel;
 569
 570         if ((int)map.waterLevel != map.requiredWaterLevel)
 571         {
 572                 for (int x = 0 ; x < MAPWIDTH ; x++)
 573                 {
 574                         if ((map.data[x][y] == MAP_AIR) || (map.isLiquid(x, y)))
 575                         {
 576                                 map.data[x][y] = MAP_WATER;
 577                         }
 578
 579                         if ((map.data[x][y] >= MAP_DECORATION) && (map.data[x][y] <= MAP_WATERANIM))
 580                         {
 581                                 map.data[x][y] = MAP_WATER;
 582                         }
 583
 584                         if (map.data[x][y] >= MAP_TOPLAYER)
 585                         {
 586                                 map.data[x][y] = MAP_WATER;
 587                         }
 588
 589                         if (map.data[x][y - 1] >= MAP_TOPLAYER)
 590                         {
 591                                 map.data[x][y] = MAP_WATER;
 592                         }
 593
 594                         if ((map.data[x][y - 1] == MAP_AIR) || (map.isLiquid(x, y - 1)))
 595                         {
 596                                 map.data[x][y - 1] = MAP_WATERANIM;
 597                         }
 598
 599                         if ((map.data[x][y - 1] >= MAP_DECORATION) && (map.data[x][y - 1] <= MAP_WATERANIM))
 600                         {
 601                                 map.data[x][y - 1] = MAP_WATERANIM;
 602                         }
 603                 }
 604
 605                 map.waterLevel -= 0.1;
 606
 607                 int x = (int)(player.x + player.dx) >> BRICKSHIFT;
 608                 int y = (int)(player.y + player.height - 1) >> BRICKSHIFT;
 609
 610                 int mapAttribute = map.data[x][y];
 611
 612                 if ((mapAttribute == MAP_WATER) && (player.environment == MAP_AIR))
 613                 {
 614                         evaluateMapAttribute(&player, mapAttribute);
 615                 }
 616         }
 617 }
 618
 619 void doWind()
 620 {
 621         map.windChangeTime--;
 622
 623         if (map.windChangeTime <= 0)
 624         {
 625                 map.windPower = 0;
 626
 627                 if (Math::rrand(0, 1) == 0)
 628                         map.windPower = Math::rrand(-3, 3);
 629
 630                 // change wind time
 631                 map.windChangeTime = Math::rrand(60, 600);
 632         }
 633
 634         addWindParticles();
 635 }
 636
 637 void parseMapDataLine(const char *line, int y)
 638 {
 639         int tileIndex = 0;
 640         int x = 0;
 641
 642         while (true)
 643         {
 644                 sscanf(line, "%d", &tileIndex);
 645
 646                 map.data[x][y] = tileIndex;
 647
 648                 while (true)
 649                 {
 650                         *line++;
 651
 652                         if (*line == ' ')
 653                                 break;
 654                 }
 655
 656                 x++;
 657
 658                 if (x == MAPWIDTH)
 659                         break;
 660         }
 661 }
 662
 663 bool loadMapData(const char *filename)
 664 {
 665         map.clear();
 666
 667         if (!engine.loadData(filename))
 668                 graphics.showErrorAndExit("The requested map '%s' was not found.", filename);
 669
 670         char *token = strtok((char*)engine.dataBuffer, "\n");
 671         parseMapDataLine(token, 0);
 672
 673         int y = 1;
 674
 675         while (true)
 676         {
 677                 token = strtok(NULL, "\n");
 678
 679                 parseMapDataLine(token, y);
 680
 681                 y++;
 682                 if (y == MAPHEIGHT)
 683                         break;
 684         }
 685
 686         getMapTokens();
 687
 688         adjustObjectives();
 689         initMIAPhrases();
 690
 691         return true;
 692 }